72 Demon door panel question.

[SlimPikins]

These are pictures of the inside of my doors on my 72 Demon with the deluxe interior. I have this little plastic button on both doors above the door panel. I had a friends 72 Dart Swinger 2 door here for a bit and I noticed he doesn’t have this or a hole where it use to be. Any ideas on what these are for?

 

[andysauto1]

These are pictures of the inside of my doors on my 72 Demon with the deluxe interior. I have this little plastic button on both doors above the door panel. I had a friends 72 Dart Swinger 2 door here for a bit and I noticed he doesn’t have this or a hole where it use to be. Any ideas on what these are for?

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That is for a window stop adjustment. Takes an Allen wrench to adjust

 

[SlimPikins]

That is for a window stop adjustment. Takes an Allen wrench to adjust

Thanks! Any idea why my buddies 72 Swinger doesn't have it?

 

[andysauto1]

Thanks! Any idea why my buddies 72 Swinger doesn't have it?

Completely different set up. His has a wing glass

 

[HemiSSDart]

Thanks! Any idea why my buddies 72 Swinger doesn't have it?

His should have holes like that with plugs by the wing window, but not at the rear like yours...